An investigation of the effects of critical infrastructure on urban mobility in the city of Medellín

Critical infrastructure refers to the type of facilities, services, and installations (e.g., transportation, communication, energy systems) that are essential for the functioning of a community, city or country. This paper describes the findings of the research conducted to identify the transportation network critical facilities (road links) and their impacts on urban mobility for the city of Medellin, the second largest city in Colombia. This paper analyses the negative effects on travel time when a facility is disrupted or the capacity is suddenly reduced (e.g., accident, natural or manmade disaster, dedicated bike-route, maintenance, and construction). Criticality is identified following two methodologies: 1) comparing the travel time of the network users solving the user equilibrium (UE) traffic assignment problem between the base case and the disrupted network; 2) assessing the impact of the disrupted facility on the path travel times between affected origin-destinations zones.

[1]  Yosef Sheffi,et al.  Urban Transportation Networks: Equilibrium Analysis With Mathematical Programming Methods , 1985 .

[2]  Dingwei Wang,et al.  Resilience and Friability of Transportation Networks: Evaluation, Analysis and Optimization , 2011, IEEE Systems Journal.

[3]  Anne.  FINDING THE n MOST VITAL LINKS IN FLOW NETWORKS , 2022 .

[4]  Satish V. Ukkusuri,et al.  A Voronoi-Based Heuristic Algorithm for Locating Distribution Centers in Disasters , 2012 .

[5]  Qiang Qiang,et al.  A network efficiency measure with application to critical infrastructure networks , 2008, J. Glob. Optim..

[6]  Pamela M. Murray-Tuite,et al.  Identification of vulnerable transportation infrastructure and household decision making under emergency evacuation conditions , 2005 .

[7]  Mónica Quiroga Salazar,et al.  Trabajo de Grado , 2007 .

[8]  Alan T. Murray,et al.  Critical infrastructure : reliability and vulnerability , 2007 .

[9]  Ben Immers,et al.  Methodology for Identifying Vulnerable Sections in a National Road Network , 2006 .

[10]  J. G. Wardrop,et al.  Some Theoretical Aspects of Road Traffic Research , 1952 .

[11]  Hong Kam Lo,et al.  A Reliability-based User Equilibrium Model for Traffic Assignment , 2007 .

[12]  Zhong Zhou,et al.  Assessing Network Vulnerability Using A Combined Travel Demand Model , 2007 .

[13]  Rawia Ahmed El-Rashidy,et al.  An Assessment Method for Highway Network Vulnerability , 2014 .

[14]  Dirección De.  DEPARTAMENTO ADMINISTRATIVO NACIONAL DE ESTADÍSTICA , 2007 .

[15]  D B Ham,et al.  NATIONAL NEEDS ASSESSMENT FOR ENSURING TRANSPORTATION INFRASTRUCTURE SECURITY , 2002 .

[16]  Shahed Rowshan,et al.  A GUIDE TO HIGHWAY VULNERABILITY ASSESSMENT FOR CRITICAL ASSET IDENTIFICATION AND PROTECTION , 2002 .

[17]  Massimo Marchiori,et al.  Vulnerability and protection of infrastructure networks. , 2005, Physical review. E, Statistical, nonlinear, and soft matter physics.

[18]  Qiang Qiang,et al.  A network efficiency measure for congested networks , 2007 .

[19]  Mayada Omer,et al.  Measuring the Resiliency of the Manhattan Points of Entry in the Face of Severe Disruption , 2011 .

[20]  Panayiotis Kotzanikolaou,et al.  Cascading Effects of Common-Cause Failures in Critical Infrastructures , 2013, Critical Infrastructure Protection.

[21]  Darren M. Scott,et al.  New Approach for Identifying Critical Links in Transportation Networks , 2006 .

[22]  Satish V. Ukkusuri,et al.  A methodology to assess the criticality of highway transportation networks , 2009 .

[23]  L. V. Wassenhove,et al.  On the appropriate objective function for post‐disaster humanitarian logistics models , 2013 .

[24]  Patrick T. Hester,et al.  Systemic determination of infrastructure criticality , 2013, Int. J. Crit. Infrastructures.

[25]  Miguel Angel,et al.  Resource allocation problems during disasters: Points of distribution planning and material convergence control , 2011 .

[26]  Behnido Y. Calida,et al.  Regional industries as critical infrastructures: a tale of two modern cities , 2012, Int. J. Crit. Infrastructures.

[27]  Alan T. Murray,et al.  Vital Nodes, Interconnected Infrastructures, and the Geographies of Network Survivability , 2006 .

[28]  H. J. Van Zuylen,et al.  Link-level vulnerability indicators for real-world networks , 2010 .

[29]  James P. Peerenboom,et al.  Identifying, understanding, and analyzing critical infrastructure interdependencies , 2001 .

[30]  Patrick T. Hester,et al.  Interdependency-induced risk with applications to healthcare , 2014, Int. J. Crit. Infrastructure Prot..

[31]  L. V. Wassenhove,et al.  On the unique features of post‐disaster humanitarian logistics , 2012 .

[32]  Kalyan Kumar Srinivasan.  TRANSPORTATION NETWORK VULNERABILITY ASSESSMENT: A QUANTITATIVE FRAMEWORK , 2002 .